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Round|Lab Grown|IGI

3.70ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG572351045

Certificate IGI LG572351045

Diamond specifications and retailer prices

From $1,672 USD
Save $9,348 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,020 USD at Brilliant Earth
View at Brilliant Earth

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG572351045 or 572351045. Listed at 18 retailers, with prices from $1,672 to $11,020 at Brilliant Earth, a $9,348 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.70
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572351045
Dimensions9.94 × 9.99 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.94 mm9.99 mm3.70 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572351045
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $11,020 USD|Low: $1,193 USD|High: $11,100 USD|Avg: $4,831 USD|-0.7%
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
October 1, 2026
Retailer 3$1,672 USD
Retailer 18$2,044 USD
Retailer 6$2,591 USD
Retailer 16$2,595 USD
Retailer 11$2,710 USD
Retailer 2$2,728 USD
Retailer 10$3,142 USD
Retailer 14$4,320 USD
Retailer 13$4,357 USD
Retailer 5$5,042 USD
Retailer 7$5,259 USD
Retailer 4$5,421 USD
Retailer 15$5,498 USD
Retailer 12$5,523 USD
Retailer 8$6,727 USD
Retailer 17$9,673 USD
Retailer 9$10,270 USD
Brilliant Earth$11,020 USD

39 data points across 18 retailers

18 retailers$1,672 USD to $11,020 USD

A
Cheapest Retailer
-
$1,672 USD
A
Retailer 2
-
$2,044 USD
View
A
Retailer 3
-
$2,591 USD
View
A
Retailer 4
-
$2,595 USD
View
A
Retailer 5
-
$2,716 USD
£2,139 GBP
View
A
Retailer 6
-
$2,728 USD
View
A
Retailer 7
-
$3,142 USD
View
B+
Retailer 8
-
$4,320 USD
A$6,646 AUD
View
B+
Retailer 9
-
$4,357 USD
ZAR 70,387 ZAR
View
B+
Retailer 10
-
$5,042 USD
View
B+
Retailer 11
-
$5,259 USD
View
B+
Retailer 12
-
$5,421 USD
View
B+
Retailer 13
-
$5,498 USD
View
B+
Retailer 14
-
$5,523 USD
£4,349 GBP
View
B
Retailer 15
-
$6,727 USD
View
B
Retailer 16
-
$9,673 USD
View
B
Retailer 17
-
$10,270 USD
View
Most Expensive
B
Brilliant Earth
18396283Y · Oct 1
$11,020 USD
View
17 more retailers have this diamond
Prices start from $1,672 USDSave up to $9,348 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.

A
3.70ct Round
$1,672 USD