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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 $2,659 NZD
CA$2,082 CAD
As of October 30, 2026
Save $859 NZD (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,095 NZD 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
Colour
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: $4,095 NZD|Low: $568 NZD|High: $6,317 NZD|Avg: $2,426 NZD
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$871 NZD
Retailer 13$878 NZD
Retailer 7$1,224 NZD
Retailer 10$1,416 NZD
Retailer 5$1,447 NZD
Retailer 12$1,563 NZD
Retailer 14$2,018 NZD
Retailer 9$2,275 NZD
Retailer 4$2,394 NZD
Retailer 6$2,659 NZD
Retailer 11$3,394 NZD
Retailer 3$3,518 NZD
Rare Carat$4,095 NZD
Retailer 8$6,317 NZD

10 data points across 14 retailers

6 retailers$2,659 NZD to $3,518 NZD

Retailer 1
-
$1,224 NZD
$690 USD
Price last confirmed 20 days ago
Retailer 2
-
$2,018 NZD
ZAR 18,370 ZAR
View
Price last confirmed 66 days ago
Retailer 3
-
$2,275 NZD
$1,282 USD
View
Price last confirmed 45 days ago
B+
Retailer 4
-
$2,659 NZD
CA$2,082 CAD
View
B
Retailer 5
-
$3,518 NZD
$1,983 USD
View
Most Expensive
Rare Carat
636426679 · Jul 27
$4,095 NZD
$2,308 USD
View
Price last confirmed 96 days ago
5 more retailers have this diamond
Prices start from $2,659 NZDSave up to $859 NZD

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
$2,659 NZD