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Radiant|Lab Grown|IGI

3.88ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1

Diamond specifications and retailer prices

From $3,735 AUD
CA$3,644 CAD
As of October 30, 2026
Save $1,656 AUD (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,391 AUD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 3.88ct lab-grown radiant diamond

This 3.88ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 4 retailers as of October 30, 2026, with prices from $3,735 to $5,391, a $1,656 spread on the same certified stone. The Diamond Guys lists it at $5,391. 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

3.88
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.75 × 7.79 × 5.34 mm
L/W Ratio1.38
Top View
10.75 mm7.79 mm3.88 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,368 AUD|Low: $1,305 AUD|High: $5,391 AUD|Avg: $3,177 AUD|+4.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
September 23, 2026
Retailer 1$1,368 AUD
Retailer 3$2,071 AUD
Retailer 2$3,735 AUD
The Diamond Guys$5,391 AUD

4 data points across 4 retailers

4 retailers$3,735 AUD to $5,391 AUD

Retailer 1
-
$1,368 AUD
$961 USD
Price last confirmed 10 days ago
Retailer 2
-
$2,071 AUD
$1,455 USD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
$3,735 AUD
CA$3,644 CAD
View
Most Expensive
B
The Diamond Guys
1975708791 · Oct 31
$5,391 AUD
$3,787 USD
View
3 more retailers have this diamond
Prices start from $3,735 AUDSave up to $1,656 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+
3.88ct Radiant
$3,735 AUD