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Round|Lab Grown|IGI

1.71ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG687537601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687537601

Diamond specifications and retailer prices

From $338 USD
As of November 1, 2026
Save $2,282 USD (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,620 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG687537601 or 687537601. Listed at 27 retailers as of October 31, 2026, with prices from $338 to $2,620, a $2,282 spread on the same certified stone. Brilliant Earth lists it at $2,620. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687537601
Dimensions7.62 × 7.69 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.62 mm7.69 mm1.71 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687537601
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,620 USD|Low: $335 USD|High: $2,930 USD|Avg: $1,081 USD|-10.6%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 11$338 USD
Retailer 18$378 USD
Retailer 22$392 USD
Retailer 6$419 USD
Retailer 7$419 USD
Retailer 20$570 USD
Retailer 8$677 USD
Retailer 5$683 USD
Retailer 16$706 USD
Retailer 17$707 USD
Retailer 19$721 USD
Retailer 2$750 USD
Retailer 4$1,074 USD
Retailer 10$1,091 USD
Retailer 12$1,348 USD
Retailer 14$1,391 USD
Retailer 15$1,530 USD
Retailer 13$1,584 USD
Retailer 9$1,635 USD
Retailer 21$1,683 USD
Retailer 3$2,300 USD
Brilliant Earth$2,620 USD

37 data points across 22 retailers

27 retailers$338 USD to $2,620 USD

Retailer 1
-
$335 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$338 USD
View
A
Retailer 3
-
$378 USD
View
Final sale: no returns
A
Retailer 4
-
$392 USD
View
Retailer 5
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$410 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$419 USD
View
Price last confirmed 7 days ago
A
Retailer 7
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$419 USD
View
A
Retailer 8
-
$570 USD
View
A
Retailer 9
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$677 USD
View
A
Retailer 10
-
$683 USD
View
A
Retailer 11
-
$706 USD
€672 EUR
View
A
Retailer 12
-
$707 USD
A$1,088 AUD
View
A
Retailer 13
-
$721 USD
ZAR 11,643 ZAR
View
A
Retailer 14
-
$750 USD
£591 GBP
View
B+
Retailer 15
-
$1,074 USD
View
B+
Retailer 16
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$1,091 USD
View
Retailer 17
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$1,336 USD
View
Price last confirmed 41 days ago
B+
Retailer 18
-
$1,348 USD
View
B+
Retailer 19
-
$1,391 USD
View
B+
Retailer 20
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$1,402 USD
View
B
Retailer 21
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$1,522 USD
View
Retailer 22
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$1,530 USD
A$2,354 AUD
View
Price last confirmed 31 days ago
B
Retailer 23
-
$1,584 USD
View
B
Retailer 24
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$1,635 USD
View
Retailer 25
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$1,683 USD
£1,325 GBP
View
Price last confirmed 7 days ago
Retailer 26
-
$2,300 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14743823A · Oct 31
$2,620 USD
View
26 more retailers have this diamond
Prices start from $338 USDSave up to $2,282 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.71ct Round
$338 USD