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Round|Natural|GIA

2.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2557971387

Certificate GIA 2557971387

Diamond specifications and retailer prices

From $16,340 USD
Save $15,799 USD (49%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $32,139 USD at MOH London
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557971387. Listed at 30 retailers, with prices from $16,340 to $32,139 at MOH London, a $15,799 spread on the same certified stone. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557971387
Dimensions8.59 × 8.66 × 5.35 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Culet sizeNone
Top View
8.59 mm8.66 mm2.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557971387
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $32,139 USD|Low: $16,340 USD|High: $32,139 USD|Avg: $21,154 USD|+0.1%
MOH London
Retailer 2
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Retailer 32
October 1, 2026
Retailer 15$16,340 USD
Retailer 25$16,691 USD
Retailer 11$18,016 USD
Retailer 26$18,403 USD
Retailer 27$18,445 USD
Retailer 30$18,653 USD
Retailer 9$18,694 USD
Retailer 12$18,824 USD
Retailer 2$19,549 USD
Retailer 32$19,606 USD
Retailer 5$19,850 USD
Retailer 20$20,334 USD
Retailer 8$20,716 USD
Retailer 4$21,079 USD
Retailer 13$21,085 USD
Retailer 3$21,324 USD
Retailer 31$21,350 USD
Retailer 19$21,438 USD
Retailer 7$21,727 USD
Retailer 23$22,028 USD
Retailer 16$22,100 USD
Retailer 10$22,636 USD
Retailer 6$22,876 USD
Retailer 17$22,953 USD
Retailer 14$23,318 USD
Retailer 28$23,953 USD
Retailer 18$24,313 USD
Retailer 21$24,445 USD
Retailer 29$24,659 USD
Retailer 24$27,594 USD
Retailer 22$28,806 USD
MOH London$32,139 USD

14 data points across 32 retailers

30 retailers$16,340 USD to $32,139 USD

A
Cheapest Retailer
-
$16,340 USD
B+
Retailer 2
-
$18,016 USD
View
A
Retailer 3
-
$18,445 USD
View
B+
Retailer 4
-
$18,653 USD
View
B+
Retailer 5
-
$18,694 USD
View
B+
Retailer 6
-
$18,824 USD
View
B+
Retailer 7
-
$19,549 USD
₹1,861,835 INR
View
B+
Retailer 8
-
$19,606 USD
CA$27,230 CAD
View
B+
Retailer 9
-
$19,850 USD
View
B+
Retailer 10
-
$20,334 USD
View
B+
Retailer 11
-
$20,716 USD
View
B+
Retailer 12
-
$21,079 USD
View
B+
Retailer 13
-
$21,085 USD
A$32,438 AUD
View
B+
Retailer 14
-
$21,350 USD
View
B+
Retailer 15
-
$21,371 USD
£16,828 GBP
View
B+
Retailer 16
-
$21,438 USD
View
B+
Retailer 17
-
$21,727 USD
View
B+
Retailer 18
-
$22,028 USD
View
B+
Retailer 19
-
$22,100 USD
View
B+
Retailer 20
-
$22,636 USD
View
B+
Retailer 21
-
$22,876 USD
View
B
Retailer 22
-
$22,953 USD
View
B
Retailer 23
-
$23,318 USD
View
B
Retailer 24
-
$23,953 USD
€22,812 EUR
View
B
Retailer 25
-
$24,313 USD
View
B
Retailer 26
-
$24,445 USD
View
B
Retailer 27
-
$24,659 USD
£19,416 GBP
View
B
Retailer 28
-
$27,594 USD
ZAR 445,785 ZAR
View
B
Retailer 29
-
$28,806 USD
View
Most Expensive
B
MOH London
95FA7AEAA · Sep 28
$32,139 USD
£25,306 GBP
View
29 more retailers have this diamond
Prices start from $16,340 USDSave up to $15,799 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.

A
2.50ct Round
$16,340 USD