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Round|Lab Grown|IGI

3.75ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG628439500

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628439500

Diamond specifications and retailer prices

From $2,656 NZD
CA$2,079 CAD
As of October 30, 2026
Save $857 NZD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,119 NZD at Rare Carat · As of July 20, 2026
View at Rare Carat

About this 3.75ct lab-grown round diamond

This 3.75ct 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 LG628439500 or 628439500. Listed at 4 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

3.75
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628439500
Dimensions10.05 × 10.00 × 6.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.05 mm10.00 mm3.75 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628439500
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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: $4,119 NZD|Low: $575 NZD|High: $6,387 NZD|Avg: $2,446 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 2, 2026
Retailer 12$887 NZD
Retailer 7$894 NZD
Retailer 2$1,260 NZD
Retailer 10$1,428 NZD
Retailer 5$1,466 NZD
Retailer 13$1,600 NZD
Retailer 14$2,043 NZD
Retailer 9$2,305 NZD
Retailer 4$2,419 NZD
Retailer 6$2,656 NZD
Retailer 11$3,433 NZD
Retailer 3$3,513 NZD
Rare Carat$4,119 NZD
Retailer 8$6,387 NZD

7 data points across 14 retailers

4 retailers$2,656 NZD to $3,513 NZD

Retailer 1
-
$2,305 NZD
$1,299 USD
Price last confirmed 46 days ago
B+
Retailer 2
-
$2,656 NZD
CA$2,079 CAD
View
B
Retailer 3
-
$3,513 NZD
$1,980 USD
View
Most Expensive
Rare Carat
628439500 · Jul 20
$4,119 NZD
$2,322 USD
View
Price last confirmed 104 days ago
3 more retailers have this diamond
Prices start from $2,656 NZDSave up to $857 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+
3.75ct Round
$2,656 NZD