Radiant|Lab Grown|IGI

1.71ct D IF Radiant Lab Grown Diamond

GD • D/IF • IGI LG712535601

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG712535601

Diamond specifications and retailer prices

From $622 USD
As of October 30, 2026
Save $2,868 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,490 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG712535601 or 712535601. Listed at 23 retailers as of October 30, 2026, with prices from $622 to $3,490, a $2,868 spread on the same certified stone. Brilliant Earth lists it at $3,490. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
D
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712535601
Dimensions8.35 × 6.19 × 3.94 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm6.19 mm1.71 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG712535601
Side View
Table 58.0%Crown 38.1°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,490 USD|Low: $597 USD|High: $4,990 USD|Avg: $1,614 USD|-30.1%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 17$622 USD
Retailer 6$696 USD
Retailer 8$696 USD
Retailer 4$771 USD
Retailer 7$771 USD
Retailer 12$900 USD
Retailer 16$1,068 USD
Retailer 14$1,153 USD
Retailer 2$1,208 USD
Retailer 11$1,325 USD
Retailer 15$1,731 USD
Retailer 5$2,027 USD
Retailer 9$2,240 USD
Retailer 3$2,404 USD
Retailer 10$3,054 USD
Retailer 13$3,250 USD
Brilliant Earth$3,490 USD

43 data points across 17 retailers

23 retailers$622 USD to $3,490 USD

A
Cheapest Retailer
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$622 USD
A
Retailer 2
-
$696 USD
View
Final sale: no returns
A
Retailer 3
-
$696 USD
View
Retailer 4
-
$771 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$771 USD
View
B+
Retailer 6
-
$900 USD
View
B+
Retailer 7
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$1,068 USD
View
B+
Retailer 8
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$1,094 USD
View
Retailer 9
-
$1,153 USD
€1,098 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,208 USD
£951 GBP
View
B+
Retailer 11
-
$1,325 USD
ZAR 21,403 ZAR
View
B
Retailer 12
-
$1,731 USD
View
Retailer 13
-
$1,842 USD
View
Price last confirmed 31 days ago
B
Retailer 14
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$2,027 USD
View
B
Retailer 15
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$2,240 USD
£1,764 GBP
View
B
Retailer 16
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$2,404 USD
View
B
Retailer 17
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$2,460 USD
View
B
Retailer 18
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$2,490 USD
View
B
Retailer 19
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$2,539 USD
View
B
Retailer 20
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$2,644 USD
View
B
Retailer 21
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$3,054 USD
£2,405 GBP
View
Retailer 22
-
$3,250 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
14752848A · Oct 30
$3,490 USD
View
22 more retailers have this diamond
Prices start from $622 USDSave up to $2,868 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 Radiant
$622 USD