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Round|Lab Grown|IGI

3.70ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG636426679

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636426679

Diamond specifications and retailer prices

From $1,499 USD
CA$2,082 CAD
As of October 30, 2026
Save $484 USD (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,308 USD at Rare Carat · As of July 27, 2026
View at Rare Carat

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636426679 or 636426679. Listed at 6 retailers as of October 30, 2026, with a 32% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636426679
Dimensions10.00 × 9.93 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.00 mm9.93 mm3.70 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636426679
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,308 USD|Low: $320 USD|High: $3,560 USD|Avg: $1,367 USD
Rare Carat
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
October 10, 2026
Retailer 2$491 USD
Retailer 13$495 USD
Retailer 7$690 USD
Retailer 10$798 USD
Retailer 5$815 USD
Retailer 12$881 USD
Retailer 14$1,137 USD
Retailer 9$1,282 USD
Retailer 4$1,349 USD
Retailer 6$1,499 USD
Retailer 11$1,913 USD
Retailer 3$1,983 USD
Rare Carat$2,308 USD
Retailer 8$3,560 USD

11 data points across 14 retailers

6 retailers$1,499 USD to $1,983 USD

Retailer 1
-
$690 USD
Price last confirmed 19 days ago
Retailer 2
-
$1,137 USD
ZAR 18,370 ZAR
View
Price last confirmed 65 days ago
Retailer 3
-
$1,282 USD
View
Price last confirmed 44 days ago
B+
Retailer 4
-
$1,499 USD
CA$2,082 CAD
View
B
Retailer 5
-
$1,983 USD
View
Most Expensive
Rare Carat
636426679 · Jul 27
$2,308 USD
View
Price last confirmed 95 days ago
5 more retailers have this diamond
Prices start from $1,499 USDSave up to $484 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.

B+
3.70ct Round
$1,499 USD