CaratHunter
Plans
Round|Lab Grown|IGI

1.70ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG729569911

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729569911

Diamond specifications and retailer prices

From $435 USD
As of November 1, 2026
Save $2,205 USD (84%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,950 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.7ct lab-grown round diamond

This 1.7ct 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 LG729569911 or 729569911. Listed at 27 retailers as of October 31, 2026, with a 507% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569911
Dimensions7.67 × 7.63 × 4.72 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
7.67 mm7.63 mm1.70 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569911
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,640 USD|Low: $435 USD|High: $3,100 USD|Avg: $1,301 USD|-14.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 4$435 USD
Retailer 11$464 USD
Retailer 5$525 USD
Retailer 14$576 USD
Retailer 6$648 USD
Retailer 15$650 USD
Retailer 3$733 USD
Retailer 13$771 USD
Retailer 19$827 USD
Retailer 2$870 USD
Retailer 18$883 USD
Retailer 7$1,081 USD
Retailer 17$1,117 USD
Retailer 16$1,137 USD
Retailer 10$1,536 USD
Retailer 8$1,585 USD
Retailer 12$1,609 USD
Retailer 9$1,803 USD
Retailer 21$1,883 USD
Retailer 20$2,330 USD
Brilliant Earth$2,640 USD

37 data points across 21 retailers

27 retailers$435 USD to $2,640 USD

A
Cheapest Retailer
-
$435 USD
Final sale: no returns
Retailer 2
-
$464 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$520 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$525 USD
HK$4,100 HKD
View
Retailer 5
-
$576 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$576 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$648 USD
View
A
Retailer 8
-
$650 USD
View
A
Retailer 9
-
$733 USD
View
A
Retailer 10
-
$771 USD
€734 EUR
View
A
Retailer 11
-
$827 USD
ZAR 13,367 ZAR
View
A
Retailer 12
-
$870 USD
£685 GBP
View
A
Retailer 13
-
$883 USD
A$1,358 AUD
View
B+
Retailer 14
-
$1,081 USD
View
B+
Retailer 15
-
$1,117 USD
A$1,719 AUD
View
B+
Retailer 16
-
$1,137 USD
View
B+
Retailer 17
-
$1,151 USD
View
B+
Retailer 18
-
$1,536 USD
SGD 2,075 SGD
View
B
Retailer 19
-
$1,585 USD
View
Retailer 20
-
$1,609 USD
A$2,475 AUD
View
Price last confirmed 27 days ago
B+
Retailer 21
-
$1,685 USD
View
B+
Retailer 22
-
$1,803 USD
View
Retailer 23
-
$1,851 USD
View
Price last confirmed 14 days ago
B+
Retailer 24
-
$1,883 USD
£1,483 GBP
View
B
Retailer 25
-
$2,330 USD
View
B
Retailer 26
-
$2,640 USD
View
Most Expensive
Brilliant Earth
16131482A · Oct 22
$2,950 USD
View
Price last confirmed 10 days ago
26 more retailers have this diamond
Prices start from $435 USDSave up to $2,205 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
1.70ct Round
$435 USD