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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 $2,131 AUD
CA$2,079 CAD
As of October 30, 2026
Save $688 AUD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,305 AUD 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 5 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: $3,305 AUD|Low: $461 AUD|High: $5,125 AUD|Avg: $1,963 AUD
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$712 AUD
Retailer 7$717 AUD
Retailer 2$1,011 AUD
Retailer 10$1,146 AUD
Retailer 5$1,176 AUD
Retailer 13$1,284 AUD
Retailer 14$1,639 AUD
Retailer 9$1,849 AUD
Retailer 4$1,941 AUD
Retailer 6$2,131 AUD
Retailer 11$2,754 AUD
Retailer 3$2,819 AUD
Rare Carat$3,305 AUD
Retailer 8$5,125 AUD

8 data points across 14 retailers

5 retailers$2,131 AUD to $2,819 AUD

Retailer 1
-
$1,639 AUD
ZAR 18,602 ZAR
Price last confirmed 65 days ago
Retailer 2
-
$1,849 AUD
$1,299 USD
View
Price last confirmed 44 days ago
B+
Retailer 3
-
$2,131 AUD
CA$2,079 CAD
View
B
Retailer 4
-
$2,819 AUD
$1,980 USD
View
Most Expensive
Rare Carat
628439500 · Jul 20
$3,305 AUD
$2,322 USD
View
Price last confirmed 102 days ago
4 more retailers have this diamond
Prices start from $2,131 AUDSave up to $688 AUD

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
$2,131 AUD